Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities:
Net Income	$ 284.7	$ 262.4
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	41.9	42.3
Amortization of intangible assets	27.5	30.4
Share-based compensation	17.5	19.3
Other, net	3.7	0.9
Use of operating capital	(996.1)	(550.6)
Net Cash Used In Operating Activities	(620.8)	(195.3)
Cash Flows from Investing Activities:
Capital expenditures	(36.2)	(32.1)
Acquisition of businesses and interests in affiliates, net of cash acquired	(178.3)	(19.2)
Sale of investments	7.0	6.1
Net Cash Used In Investing Activities	(207.5)	(45.2)
Cash Flows from Financing Activities:
Change in short-term debt	(3.6)	(1.4)
Dividends paid to common shareholders	(138.9)	(130.8)
Repurchases of common stock	(232.7)	(234.7)
Proceeds from stock plans	3.3	3.1
Acquisition of additional noncontrolling interests	(23.0)	(2.7)
Dividends paid to noncontrolling interest shareholders	(16.3)	(10.3)
Payment of contingent purchase price obligations	(5.2)	(2.1)
Other, net	(10.5)	(7.7)
Net Cash Used In Financing Activities	(426.9)	(386.6)
Effect of foreign exchange rate changes on cash and cash equivalents	27.3	67.1
Net Decrease in Cash and Cash Equivalents	(1,227.9)	(560.0)
Cash and Cash Equivalents at the Beginning of Period	3,796.0	3,002.2
Cash and Cash Equivalents at the End of Period	$ 2,568.1	$ 2,442.2